101012216 has 16 divisors (see below), whose sum is σ = 189515040. Its totient is φ = 50474880.

The previous prime is 101012207. The next prime is 101012231. The reversal of 101012216 is 612210101.

It is a self number, because there is not a number n which added to its sum of digits gives 101012216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15536 + ... + 21056.

It is an arithmetic number, because the mean of its divisors is an integer number (11844690).

Almost surely, 2^101012216 is an apocalyptic number.

It is an amenable number.

101012216 is a deficient number, since it is larger than the sum of its proper divisors (88502824).

101012216 is a wasteful number, since it uses less digits than its factorization.

101012216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7814 (or 7810 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 101012216 is about 10050.4833714603. The cubic root of 101012216 is about 465.7197256103.

Adding to 101012216 its reverse (612210101), we get a palindrome (713222317).

The spelling of 101012216 in words is "one hundred one million, twelve thousand, two hundred sixteen".